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CN-119549217-B - Stone crushing device for highway engineering construction

CN119549217BCN 119549217 BCN119549217 BCN 119549217BCN-119549217-B

Abstract

The invention discloses a stone crushing device for highway engineering construction, which comprises a frame body, wherein a first jaw bed and a second jaw bed which are oppositely arranged are arranged on the frame body, an eccentric shaft is also arranged on the frame body, the second jaw bed is connected with the frame body through the eccentric shaft, and the stone crushing device further comprises a jaw fixing unit and a jaw moving unit, wherein the jaw fixing unit comprises a first chain transmission assembly and a plurality of jaw fixing rollers which are arranged on the first jaw bed, a first chain on the first chain transmission assembly is formed by connecting a plurality of first chain plates, the jaw fixing rollers are arranged on outer chain plates of the first chain plates, two adjacent jaw fixing rollers are tangent, the jaw moving unit comprises a second chain transmission assembly and a plurality of jaw moving rollers which are arranged on the second jaw bed, the second chain transmission assembly is oppositely arranged with the first chain transmission assembly, and the second chain on the second chain transmission assembly is formed by connecting a plurality of second chain plates, and the jaw moving rollers are arranged on outer chain plates of the second chain plates.

Inventors

  • LI YONGQING
  • GAO TENG
  • WANG LAIFA
  • WANG XINYAN
  • SU YONGSHENG
  • LU HAORAN
  • WEI YOUMING

Assignees

  • 青海省交控建设工程集团有限公司

Dates

Publication Date
20260505
Application Date
20241224

Claims (9)

  1. 1. The utility model provides a rubble device for highway engineering construction, includes the frame body, be provided with first jaw (1), second jaw (2) of relative setting on the frame body, still be provided with eccentric shaft (5) on the frame body, second jaw (2) through eccentric shaft (5) with the frame body is connected, its characterized in that still includes: the jaw fixing unit comprises a first chain transmission assembly and a plurality of jaw fixing rollers (3) which are arranged on a first jaw bed (1), wherein a first chain (12) on the first chain transmission assembly is formed by connecting a plurality of first chain plates (13), the jaw fixing rollers (3) are arranged on outer chain plates of the first chain plates (13), and two adjacent jaw fixing rollers (3) are tangent; The movable jaw unit comprises a second chain transmission assembly and a plurality of movable jaw rollers (4), wherein the second chain transmission assembly is arranged on a second jaw bed (2), the second chain transmission assembly is arranged opposite to the first chain transmission assembly, a second chain (16) on the second chain transmission assembly is formed by connecting a plurality of second chain plates (17), the movable jaw rollers (4) are arranged on outer chain plates of the second chain plates (17), and two adjacent movable jaw rollers (4) are tangent.
  2. 2. The stone crusher for highway engineering construction according to claim 1, wherein a first mounting plate is arranged on an outer chain plate of the first chain plate (13), the jaw fixing roller (3) is rotatably arranged on the first mounting plate through a first rotating shaft, a second mounting plate is arranged on an outer chain plate of the second chain plate (17), and the jaw moving roller (4) is rotatably arranged on the second mounting plate through a second rotating shaft.
  3. 3. The stone crusher for highway engineering construction according to claim 2, wherein the outsides of the first chain plate (13) and the second chain plate (17) are further provided with a special-shaped gear disc (8) rotating along with the first chain plate (13) and the second chain plate (17), the special-shaped gear disc (8) is provided with meshing teeth, and a transmission assembly capable of driving the special-shaped gear disc (8) to reversely rotate is arranged between the special-shaped gear disc (8) and the movable jaw roller (4) and the fixed jaw roller (3).
  4. 4. A stone crusher for road engineering construction according to claim 3, characterized in that the transmission assembly comprises a fixed ring (9) arranged on the outer ring of the special-shaped gear disc (8), the fixed ring (9) is fixed on the first jaw (1) or the second jaw (2), the fixed ring (9) is respectively provided with a first gear (18) meshed with the meshing teeth on the special-shaped gear disc (8), and the ends of the first rotating shaft and the second rotating shaft are respectively provided with a second gear (19) meshed with the first gear (18).
  5. 5. The stone crusher for highway engineering construction according to claim 2, wherein a plurality of lining cylinders (7) are arranged on the outer sides of the movable jaw roller (4) and the fixed jaw roller (3), the lining cylinders (7) are uniformly arranged along the circumferential direction of the movable jaw roller (4) or the fixed jaw roller (3), and two adjacent lining cylinders (7) are tangent.
  6. 6. A lithotripter for road engineering construction according to claim 5, wherein the liner (7) is in the shape of a regular hexagonal prism.
  7. 7. A lithotripter for road engineering construction according to claim 5, wherein the liner (7) is made of alloy steel.
  8. 8. The stone crusher for highway engineering construction according to claim 5, wherein the first chain transmission assembly comprises a first driving sprocket (10), a first driven sprocket (11) and a first chain (12), wherein the first driving sprocket (10) and the first driven sprocket (11) are installed on the first jaw (1) from top to bottom, the first chain (12) is arranged on the outer side of the first driving sprocket (10) and the first driven sprocket (11), the second chain transmission assembly comprises a second driving sprocket (14), a second driven sprocket (15) and a second chain (16), the second driving sprocket (14) and the second driven sprocket (15) are installed on the second jaw (2) from top to bottom, and the second chain (16) is arranged on the outer side of the second driving sprocket (14) and the second driven sprocket (15).
  9. 9. The stone crusher for highway engineering construction according to claim 8, wherein motors for driving the first and second driving sprockets (10, 14) to rotate are provided on the first and second driving sprockets (10, 14), and the rotation directions of the first and second driving sprockets (10, 14) are opposite.

Description

Stone crushing device for highway engineering construction Technical Field The invention belongs to the technical field of technical crushers, and particularly relates to a stone crushing device for highway engineering construction. Background In highway engineering construction, broken stone is one of common building materials, and is mainly used for roadbed paving, concrete mixing and the like. During highway engineering construction, the rock which is exploited is required to be crushed, and the exploited rock can be processed into broken stone meeting engineering requirements through the crushing treatment. Jaw crusher (also called jaw crusher) is the crushing equipment commonly used in highway engineering construction, and the broken product grain after jaw crusher is better, and needle slice content is low, is favorable to improving the quality of concrete and road bed. The existing jaw crusher mainly comprises a frame, fixed jaws, movable jaws, a transmission part and the like, wherein the frame of the jaw crusher is a four-wall rigid frame with upper and lower openings and is used for supporting an eccentric shaft and bearing the reaction force of crushed materials, the movable jaws and the fixed jaws respectively comprise a movable jaw body, a static jaw body and lining plates arranged on the side surfaces of the movable jaw body and the static jaw body, and the lining plates are fixed on the opposite side surfaces of the movable jaw body and the static jaw body through bolts. In the existing jaw crusher, main abrasion of two lining plates mainly occurs at the middle lower part in the rock crushing process, the middle lower side of the crushed lining plates is easy to abrade and cannot be crushed normally, and the lining plates need to be replaced at the moment, so that the service life of the existing jaw crusher is very short. Disclosure of Invention The invention aims to provide a stone breaking device for highway engineering construction, which solves the problem of short service life of the existing jaw crusher. The technical scheme adopted by the invention is that the stone breaking device for highway engineering construction comprises a frame body, wherein a first jaw bed and a second jaw bed which are oppositely arranged are arranged on the frame body, an eccentric shaft is also arranged on the frame body, and the second jaw bed is connected with the frame body through the eccentric shaft, and the stone breaking device further comprises: The jaw fixing unit comprises a first chain transmission assembly and a plurality of jaw fixing rollers, wherein the first chain transmission assembly is arranged on a first jaw bed, a first chain on the first chain transmission assembly is formed by connecting a plurality of first chain plates, the jaw fixing rollers are arranged on outer chain plates of the first chain plates, and two adjacent jaw fixing rollers are tangent; The movable jaw unit comprises a second chain transmission assembly and a plurality of movable jaw rollers, wherein the second chain transmission assembly is arranged on the second jaw bed, the second chain transmission assembly is arranged opposite to the first chain transmission assembly, a second chain on the second chain transmission assembly is formed by connecting a plurality of second chain plates, the movable jaw rollers are arranged on outer chain plates of the second chain plates, and two adjacent movable jaw rollers are tangent. Further, a first mounting plate is arranged on the outer chain plate of the first chain plate, the jaw fixing roller is rotatably arranged on the first mounting plate through a first rotating shaft, a second mounting plate is arranged on the outer chain plate of the second chain plate, and the jaw moving roller is rotatably arranged on the second mounting plate through a second rotating shaft. The outer sides of the first chain plate and the second chain plate are also provided with special-shaped gear plates which rotate along with the first chain plate and the second chain plate, the special-shaped gear plates are provided with meshing teeth, and transmission components which can drive the special-shaped gear plates to reversely rotate are arranged between the special-shaped gear plates and the movable jaw roller and the fixed jaw roller. The transmission assembly comprises a fixed ring arranged on the outer ring of the special-shaped gear disc, the fixed ring is fixed on the first jaw table or the second jaw table, first gears meshed with the meshing teeth on the gear disc are respectively arranged on the fixed ring, and second gears meshed with the first gears are respectively arranged at the end parts of the first rotating shaft and the second rotating shaft. The outside of moving jaw roller and fixed jaw roller all is provided with a plurality of lining pipes, and a plurality of lining pipes are along moving jaw roller or fixed jaw roller's circumferencial direction evenly arranged, and two ad